Williamson Value property tax analysis

4122 Grand Vista Cir, Round Rock, TX 78665

2 bathrooms, 2,928 sqft, built 2006, in R420606C - Teravista R5 Appraised at $642,655 for 2026.

Williamson County account 221061

Appraised value
$642,655
Tax year 2026
Market value
$654,365
Living area
2,928 sqft
$219 per sqft
Year built
2006

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.

The county value changed +10.0% from $584,232 in 2025 to $642,655 in 2026.